Inventor
Qinghai Zhao
Inventor
Shandong, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
G01FMeasuring volume, volume flow, mass flow or liquid level14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G02BOptical elements, systems or apparatus14%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019Patents assigned to SARAYA CO LTD (2)· patent assignee history
2019Based in Shandong, CN· patent location history
2021Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2021Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SARAYA CO LTD | 2 | 2019 |
| HUAWEI TECH CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 2 | 2019 |
| Shenzhen, CN | 1 | 2021 |